19830976

素因数分解:

$2^6\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{1657}}^1$

素因数の和:1697

約数の個数: 56

約数和(自身を含む): 45482256

約数和(自身を除く): 25651280

約数列:

[1, 2, 4, 8, 11, 16, 17, 22, 32, 34, 44, 64, 68, 88, 136, 176, 187, 272, 352, 374, 544, 704, 748, 1088, 1496, 1657, 2992, 3314, 5984, 6628, 11968, 13256, 18227, 26512, 28169, 36454, 53024, 56338, 72908, 106048, 112676, 145816, 225352, 291632, 309859, 450704, 583264, 619718, 901408, 1166528, 1239436, 1802816, 2478872, 4957744, 9915488, 19830976]

約数ペア:

[(1, 19830976), (2, 9915488), (4, 4957744), (8, 2478872), (11, 1802816), (16, 1239436), (17, 1166528), (22, 901408), (32, 619718), (34, 583264), (44, 450704), (64, 309859), (68, 291632), (88, 225352), (136, 145816), (176, 112676), (187, 106048), (272, 72908), (352, 56338), (374, 53024), (544, 36454), (704, 28169), (748, 26512), (1088, 18227), (1496, 13256), (1657, 11968), (2992, 6628), (3314, 5984)]